Find your path to Tobias
380 people in our graph share verified history with Tobias — schools, employers, funds. One of them is your warm intro.
Garry TanunlockedTobias: together at Y Combinator (2026)
×10Tobias: together at Y Combinator
Tobias: together at Netlight
About
Tobias Estreen is co-founder of Stilta. He previously worked at QuantumBlack (McKinsey & Company) developing agentic AI systems for enterprise clients, and holds background in physics and machine learning from KTH and KU Leuven.
Founder at StiltaYC W26
Intro paths
YC
Tobias went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Gustaf Alstromer — the partner who ran Stilta's batch and knows the company first-hand. YC profile ↗
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In turn, Tobias can intro founders to Stilta's investors below.
Stilta's investors · 3
Co-founders at Stilta
Experience
- StiltaCTO & Co-Foundercurrent2026 — presentСан-Франциско, CA
- QuantumBlack, AI by McKinseyLead Data Scientist2022 — 2025Stockholms kommun
- NetlightMachine Learning Engineer2020 — 2022Stockholms län, Sverige
- Amici ExperienceCo-Founder2020 — 2022Stockholms kommun
- NetsponsCo-Founder2018 — 2020Greater Stockholm Metropolitan Area
- ZENUITYMachine Learning Engineer2019Greater Stockholm Metropolitan Area
- SafeCOPSimulation of Autonomous Vehicles2018 — 2019Greater Stockholm Metropolitan Area
- Osser Brosoft ABFull-stack Developer2016Stockholm, Sverige
Skills & more
Python2JavaScript2PHP1SQLGitApacheLinuxRC#JavaMatlabLaTeX
+12 more
Microsoft OfficeMicrosoft ExcelHTMLCSSUnityReact.jsAmazon webbtjänster (AWS)MySQLEngelskaDatavisualiseringDatorsynKonsulttjänsterFrom Tobias's professional profile.
Frequently asked questions
- Who is Tobias Estreen?
- Tobias Estreen is co-founder of Stilta. He previously worked at QuantumBlack (McKinsey & Company) developing agentic AI systems for enterprise clients, and holds background in physics and machine learning from KTH and KU Leuven.
- Where does Tobias Estreen work?
- Tobias Estreen is Founder of Stilta.
- What companies did Tobias Estreen found?
- Tobias Estreen founded Stilta.
- Where did Tobias Estreen go to school?
- Tobias Estreen studied at Y Combinator (YC W26); KTH Royal Institute of Technology (Engineering Physics / Machine Learning); KU Leuven (Artificial intelligence).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
KTH Royal Institute of Technology mafia106
Also came through, then founded or led a company.
Ali GhodsiPhDFounded DatabricksMagnus HambletonMaster of ScienceFounded Founders Pledge +2Iván RodríguezMaster ThesisFounded Vivla +2Eric Quidenus-WahlforssMAFounded Dance +1Peter AlmbergDropOutFounded Katalysen +1Per NordlingMaster's degreeFounded Younium +1
+ 99 more
KU Leuven mafia73
Also came through, then founded or led a company.
Luc DochezMaster of Science - MSFounded Montis Biosciences +2Iván RodríguezAdvanced C Programming for engineeringFounded Vivla +2Pieter AbbeelBS/MSFounded Gradescope +1Peter VanbekbergenFounded Imec Xpand +1Dieter De MesmaekerMaster in Industrial SciencesFounded DataCamp +1Benoît DeperMaster of Science (MSc)Founded Aerospacelab +1
+ 66 more
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended KTH Royal Institute of Technology262
Ali GhodsiCo-founder & CEO of DatabricksWilliam JilltoftDirector of Strategy and Operations at NorthzoneJohanna OlnénData Analyst at NorthzoneRobin WänlundAssociate at Notion CapitalMagnus BergmanInvestor at Luminar VenturesGiuseppe LacerenzaPartner at Keen Venture Partners
+ 256 more
Also attended KU Leuven319
Anneleen PeetersNon-executive Director at Capricorn Venture PartnersKatrin GeyskensExecutive Director at Capricorn Venture PartnersSimon WoutersInvestment Manager at Capricorn Venture PartnersSteven LambertInvestment Partner Digital at Capricorn Venture PartnersAntoine D'HollanderInvestment Director at Capricorn Venture PartnersWouter Van de PutteInvestment Director at Capricorn Venture Partners
+ 313 more
Shared employers
Also worked at Stilta3
Also worked at QuantumBlack, AI by McKinsey23
Raja GhawiPartner at Era VenturesBrian CrandallManaging Director, Vantage Head of Commercial & Digital at TSG Consumer PartnersAlexandre ChavotierAI Consultant at Five V CapitalOlivia CavlanPartner at LifeArc VenturesEdoardo ItaliaAssociate at Brighton Park CapitalMohamed Eisimat MohamedInvestor at Atomico
+ 17 more
Also worked at Netlight7
Johanna OlnénData Analyst at NorthzonePorsev AslanCo-founder & CTO at OpenrollJonas DammenFounder at CatchwiseBjorn RosanderFounder & CEO at PyynePär Anders RenyardFounder at PyyneJohannes FriddCPTO at Northfork
+ 1 more
